FIGURES 17 & 18 in Towards resolving the problematic status of the digenean genus Astiotrema Looss 1900: Taxa excluded from Astiotrema (sensu stricto) with special reference to plagiorchioid genera closely related to the restricted concept of Astiotrema

FIGURES 17 & 18. Neoastiotrema trituri (Grabda, 1959) Tkach, 2008 and Orientocreadium batrachoides Tubangui, 1931. 17. N. trituri (syn. Astiotrema trituri Grabda 1959), ventral view, redrawn from Grabda (1959, fig. 1). 18. O. batrachoides (syn. Astiotrema gangeticus Gupta & Singh, 1985 nec Harshey, 1932), ventral view, redrawn from Gupta & Singh (1985, fig. 1A). Abbreviations: AT, anterior testis; Ce, cecum; CP, cirrus-pouch; Eg, egg; EP, excretory pore; Es, esophagus; ESV, external seminal vesicle; EV, excretory vesicle; GA, genital atrium; GP, genital pore; ISV, internal seminal vesicle; Me, metraterm; OC, ôtype complex; OS, oral sucker; Ov, ovary; Ph, pharynx; Pr.Ph, prepharynx; PP, pars prostatica; PT, posterior testis; SR, seminal receptacle; SV, seminal vesicle; Ut, uterus; VF, vitelline follicle; VS, ventral sucker. Scale bars: Fig. 17 = 500 µm; Fig. 18 = 500 µm.